Wave-motor.



Patented'lune I7, i902.

` R. MILLAB. WAVE MTOR. (Agpxicggien med Apr. 8, i902.)

' (nh Model.)

UNTTED STATES yPATENT OFFICE.

ROBERT MILLAR, OEDUNEDIN, NEW ZEALAND.l f

WAVE-MOTOR.

SPECIFICATION forming* part 0f LetterS Patent N0. 702,577, dated J' une 17, 1902. Application filed 'April 8, v1902. Serial No. 101,918.' (No model.) l

To all w21/0m it petty concern: Y

Beit known that I, ROBERT MILLAR, a subject of the King of Great Britain, residing at 49 Moray Place, inthe city of Dunedin, in the British Colony of New Zealand, have invented a certain new and useful Wave Motor, of which the following is a specification.

The action of waves, especially of sea-waves,`

structed to give motion to' said shaft when' moving in oneV direction and to slide past same when moving in a direction that cannot be so utilized. This is effected by rack, ratchet, or friction pulley movements, themselves well known, so that the main shaft is given a'rotary motion in one'direction, though obviously it will revolve at different speeds,- accordingto the greateror less action of the" waves. Continuous action is arrived at by maklng the main shaft drive a motor for storage, such as pumps for air or hydraulic power or dynamos for the storage of electricity, or any excess of power could be auto-4 matically shunted to other work by wellknown mechanical governors, and any of these could be conveyed to a distance as needed inthe usual manner., My invention, however, is coniined to theutilizationof'the wave-power as applied to the driving of the main shaft aforesaid. l.

Referring to they accompanying drawings,

Figure l is a general side view of the appa` ratus, showing the connections; and Fig. 2 is a plan of one methodfof converting the erratic wave movementsinto a rotary motion, showing ropes from the pontoons workingtheir drums for this purpose.l Fig. '3 is an alternative rack, pinion, and ratchet movement double-actingfor use in convenientsituations, especially where the distance from the shaft to the pontoons is not too great. Fig. 4 isa small side elevation of one of these racks and piuions.

A is any suitable pontoon or float, preferably angular, so as to have the greatest amount of motion in given waves. To this or to any `structure on this, as A, are attached rods or ropes, and it is also attached to a'boom B (which would benearly asbroad asthe pontoon or wouldv carry outriggers for straighter leads to thejropes, as lshown)` by a gimbaland bring back the drum andpawl for a fresh purchase.` In practice any corner or the whole pontoon may `move a' rope or the whole, as the case may be, up or down, and

onemovement, preferably 1 the y downward movement, causestheshaft G, to revolve.

FI represents the drums,lF' the pawls, FS they.ratchet-wheels, and F5 the weights.

` H represents suitable bearings.

I isally-'wheeh and `J is a pulley. l'

In Fig. .3, K is a rack, and'K a plain slide working right and lefthandedratchet-wheels by pawls. lFigfl showsone of t these on a small scale, and the other rack is reversed, the teeth being on the under side and the slide being uppermost, so that a rotary movement is given to the shaft by either pulling orrpushing the rods L l The boom B may loeV guyed to resist lateral motion, and itis'obvious-that the `boom is not 'absolutely essentisitl'tot this invention, asthe ropesEffE3-ll5 Eicould beconnected to a bridge or such'like where same'was in a convenient position andbe led from there to the shaft G; but it is believed thatthe apparatus as set forth is the most'eective.'

I am aware thatv pontoons or. floats have been tried for this purpose before, but from their not being allowedfull play theywere not successful, whereas by my method every movement is taken advantage of.

In this invention any suitable materials or sizes may be adopted.

IOO

Having described my invention, what I claim is l. In a wave-motor, the combination of a suitable support, a power-shaft mounted on said support, a oat, a connection between the oat and support, such as to permit any movement of said float but that of twisting, and connections between three or more points on the outer edges of said float and said powershaft.

2. In a wave-motor, the combination with a ioat and a power-shaft, of a boom, a connection between said boom and said ioat such as to permit any movement of said float but that of twisting, and connections between the outer edges of said float and said power-shaft.

3. In a wave-motor the combination of a suitable support, a power-shaft mounted on said suppo1t,olutch mechanism on said powershaft for operating the same, a iioat, a jointed connection between the ioat and support such as to permit any movement of said ioat but that of twisting, flexible connections between the outer edges of said oat and said clutch mechanism, and guides for said iexible connections located between said float and said clutch mechanism.

4. In a wave-motor, the combination with a float of a boom, a jointed connection between said boom and said ioat such as to permit any movement of said float but that of twisting, a power-shaft, clutch mechanism on said power-shaft for operating the same, flexible connections between the outer edges of said iioat and said clutch mechanism, and guides for said iiexible connections, located between said lioat and said clutch mechanism.

In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

ROBERT MILLAR.

Witnesses:

HENToN MACAULAY DAvEY, ELIZABETH ANN DAVEY. 

